Pivotally Rotating Positioner for a Support Illuminating Multi-Task Device and the Support Illuminating Multi-Task Device

1. A pivotally rotating positioner for a support illuminating multi-task device, which is used to conductively connect a light rotating arm to a body in a fashion of pivotal rotations at variable angles, wherein the body comprises a base housing and a power supply assembly installed within the base housing, the base housing is configured with at least a pair of positioning through-holes; and the light rotating arm comprises a pair of rotating arm cases and a blocking part installed on the aforementioned pair of rotating arm cases, wherein the aforementioned pair of rotating arm cases are respectively configured with a penetrating part corresponding to one of the aforementioned positioning through-holes, and the blocking part further includes a light source formed by a set of light emitting diodes, the pivotally rotating positioner comprising: a pair of electrically conductive pivotal axis assemblies, each of the aforementioned electrically conductive pivotal axis assembly respectively having two mutually opposite radial expansion position-limiting parts, and a radial contracting part located between the aforementioned radial expansion position-limiting parts, in each of the aforementioned conductive pivotal axis assembly the radial contracting part respectively penetrating correspondingly the aforementioned penetrating part and the aforementioned positioning through-hole, thereby limiting the greatest distance between the aforementioned base housing and the aforementioned rotating arm case by means of the aforementioned radial expansion position-limiting part such that the aforementioned rotating arm case can be combined to the aforementioned body in a fashion of pivotal rotations; a pair of electrically conductive springs, respectively sleeve installed on the aforementioned radial contracting part of the aforementioned electrically conductive pivotal axis assembly, and one end of the aforementioned electrically conductive spring being conductively abutted against one of the aforementioned radial expansion position-limiting part so as to provide an elastic push force to abut thereon such that the aforementioned base housing and the aforementioned rotating arm case can be elastically and tightly coerced with each other; two sets of snapping recesses and snapping bumps, respectively formed on the aforementioned base housing and the aforementioned rotating arm case thus allowing the aforementioned rotating arm case to be relatively positioned at at least two predetermined positions upon pivotally rotating relatively to the aforementioned base housing along the aforementioned electrically conductive pivotal axis assembly.

2. The pivotally rotating positioner for a support illuminating multi-task device according to claim 1 , wherein each set of the aforementioned electrically conductive pivotal axis assembly respectively includes a metal screw bolt and a metal screw nut, the aforementioned metal screw bolt further comprising a screw head acting as the aforementioned radial expansion position-limiting part and screw teeth acting as the aforementioned radial contracting part, and the aforementioned metal screw nut acting as the other aforementioned radial expansion position-limiting part.

3. The pivotally rotating positioner for a support illuminating multi-task device according to claim 1 , further comprising two conductive line segments respectively connected to the aforementioned electrically conductive spring and respectively extending along the aforementioned rotating arm case.

4. The pivotally rotating positioner for a support illuminating multi-task device according to claim 3 , wherein the aforementioned conductive line segments respectively and integrally extend from the aforementioned electrically conductive spring.

5. The pivotally rotating positioner for a support illuminating multi-task device according to claim 1 , wherein the aforementioned snapping recesses and the aforementioned snapping bumps are respectively plural and mutually demonstrate a radially symmetric distribution along the aforementioned electrically conductive pivotal axis assembly.

6. A support illuminating multi-task device having a pivotally rotating positioner, comprising: a body, including a base housing and a power supply assembly installed within the base housing, with the base housing being configured with at least a pair of positioning through-holes; a light rotating arm conductively connected to the body in a fashion of pivotal rotations at variable angles, which further includes a pair of rotating arm cases and a blocking part installed on the aforementioned rotating arm case, wherein the aforementioned rotating arm cases are further respectively configured with a penetrating part corresponding to one of the aforementioned positioning through-holes, and the blocking part further includes a light source formed by a set of light emitting diodes; and a set of pivotally rotating positioners, comprising: a pair of electrically conductive pivotal axis assemblies, each of the aforementioned electrically conductive pivotal axis assembly respectively having two mutually opposite radial expansion position-limiting parts, and a radial contracting part located between the aforementioned radial expansion position-limiting parts, in the aforementioned conductive pivotal axis assembly the radial contracting part respectively penetrating correspondingly the aforementioned penetrating part and the aforementioned positioning through-hole, thereby limiting the farthest distance between the aforementioned base housing and the aforementioned rotating arm case by means of the aforementioned radial expansion position-limiting part such that the aforementioned rotating arm case can be combined to the aforementioned body in a fashion of pivotal rotations; a pair of electrically conductive springs, respectively sleeve installed on the aforementioned radial contracting part of the aforementioned electrically conductive pivotal axis assembly, and one end of the aforementioned electrically conductive spring being conductively abutted against one of the aforementioned radial expansion position-limiting part so as to provide an elastic push force to abut thereon such that the aforementioned base housing and the aforementioned rotating arm case can be elastically and tightly coerced with each other; two sets of snapping recesses and snapping bumps, respectively formed on the aforementioned base housing and the aforementioned rotating arm case thus allowing the aforementioned rotating arm case to be relatively positioned at at least two predetermined positions upon pivotally rotating relatively to the aforementioned base housing along the aforementioned electrically conductive pivotal axis assembly.

7. The support illuminating multi-task device including a pivotally rotating positioner according to claim 6 , wherein the aforementioned power supply assembly further comprises a set of rechargeable battery installed inside the base housing.

8. The support illuminating multi-task device including a pivotally rotating positioner according to claim 6 , wherein the aforementioned body further comprises a set of USB HUB module installed inside the base housing.

9. The support illuminating multi-task device including a pivotally rotating positioner according to claim 6 , wherein the aforementioned body further comprises a plurality of connection ports installed on the base housing.

10. The support illuminating multi-task device including a pivotally rotating positioner according to claim 6 , wherein each set of the aforementioned electrically conductive pivotal axis assembly in the pivotally rotating positioner respectively includes a metal screw bolt and a metal screw nut, the aforementioned metal screw bolt further comprising a screw head acting as the aforementioned radial expansion position-limiting part and screw teeth acting as the aforementioned radial contracting part, and the aforementioned metal screw nut acting as the other aforementioned radial expansion position-limiting part.

11. The support illuminating multi-task device including a pivotally rotating positioner according to claim 6 , wherein the pivotally rotating positioner further comprises two conductive line segments respectively connected to the aforementioned electrically conductive spring and respectively extending along the aforementioned rotating arm case.

12. The support illuminating multi-task device including a pivotally rotating positioner according to claim 11 , wherein the aforementioned conductive line segments respectively and integrally extend from the aforementioned electrically conductive spring.

13. The support illuminating multi-task device including a pivotally rotating positioner according to claim 6 , wherein the aforementioned snapping recesses and the aforementioned snapping bumps in the aforementioned pivotally rotating positioner are respectively plural and mutually demonstrate a radially symmetric distribution along the aforementioned electrically conductive pivotal axis assembly.